FLYBOYJ
"THE GREAT GAZOO"
the lancaster kicks ass said:ah, well i can't speak for the canadian lanc but the RAF operated lanc i believe they installed the second set of controlls volentarily due to the immense value of the aircraft
And the insurance company may require it as well...
I worked for a guy who owned a PBY - it was required by regulation as well as his insurance that he had 2 guys flying the aircraft.